DE59102869D1 - METHOD AND DEVICE FOR DETECTING AND TRANSMITTING INFORMATION WITH RELATIVELY MOVABLE ELECTRICAL LADDERS OD. DGL. - Google Patents
METHOD AND DEVICE FOR DETECTING AND TRANSMITTING INFORMATION WITH RELATIVELY MOVABLE ELECTRICAL LADDERS OD. DGL.Info
- Publication number
- DE59102869D1 DE59102869D1 DE59102869T DE59102869T DE59102869D1 DE 59102869 D1 DE59102869 D1 DE 59102869D1 DE 59102869 T DE59102869 T DE 59102869T DE 59102869 T DE59102869 T DE 59102869T DE 59102869 D1 DE59102869 D1 DE 59102869D1
- Authority
- DE
- Germany
- Prior art keywords
- dgl
- detecting
- transmitting information
- relatively movable
- movable electrical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
- B66C23/90—Devices for indicating or limiting lifting moment
- B66C23/905—Devices for indicating or limiting lifting moment electrical
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Jib Cranes (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Forklifts And Lifting Vehicles (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19904031840 DE4031840A1 (en) | 1990-10-08 | 1990-10-08 | Signal transmission appts. for telescopic extension of crane - has conductive rails forming bus=bar between sections allowing transmission of control data |
DE19904031839 DE4031839A1 (en) | 1990-10-08 | 1990-10-08 | Length measurement of relatively movable electrical conductors - uses reflection or step voltages and measurement of reflection times |
PCT/EP1991/001852 WO1992006349A2 (en) | 1990-10-08 | 1991-09-27 | Process and device for acquiring and transmitting information with electrical conductors movable relatively to one another or the like |
Publications (1)
Publication Number | Publication Date |
---|---|
DE59102869D1 true DE59102869D1 (en) | 1994-10-13 |
Family
ID=25897531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE59102869T Expired - Fee Related DE59102869D1 (en) | 1990-10-08 | 1991-09-27 | METHOD AND DEVICE FOR DETECTING AND TRANSMITTING INFORMATION WITH RELATIVELY MOVABLE ELECTRICAL LADDERS OD. DGL. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0552181B1 (en) |
AU (1) | AU8616491A (en) |
DE (1) | DE59102869D1 (en) |
WO (1) | WO1992006349A2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004008083U1 (en) | 2004-05-19 | 2005-11-10 | Liebherr-Werk Ehingen Gmbh | mobile crane |
EP1772415A3 (en) * | 2005-10-04 | 2008-09-03 | Liebherr-Werk Ehingen GmbH | Support device for a mobile crane |
DE102006025002A1 (en) * | 2006-05-30 | 2007-12-06 | Pat Gmbh | Mobile or stationary working device with telescopic boom elements whose position is detected by RFID technology |
DE102012208635A1 (en) * | 2012-05-23 | 2013-11-28 | Hirschmann Automation And Control Gmbh | Measuring the boom length of a crane by measuring transit time |
ITUA20161449A1 (en) * | 2016-03-08 | 2017-09-08 | Fassi Gru S P A | Crane comprising an extendable arm and a device for measuring the extension of this extensible arm |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1803457C3 (en) * | 1968-10-16 | 1974-09-12 | Pietzsch, Ludwig, Dr.-Ing., 7500 Karlsruhe | Overload protection for jib cranes |
US3833130A (en) * | 1973-04-20 | 1974-09-03 | Krupp Gmbh | Safety device for a top boom pivotally mounted on a crane boom |
DE2836108A1 (en) * | 1978-08-17 | 1980-02-28 | Krupp Gmbh | Telescopic jib crane with load sensing transducer - has signal converters with amplitude modulators with different carrier frequencies |
FI801541A (en) * | 1979-05-18 | 1980-11-19 | Coles Cranes Ltd | SAW LOAD INDICATOR FOER LAST |
US4597183A (en) * | 1983-02-24 | 1986-07-01 | Standard Oil Company (Indiana) | Methods and apparatus for measuring a length of cable suspending a well logging tool in a borehole |
DE3420596C2 (en) * | 1984-06-01 | 1986-10-02 | Dr.-Ing. Ludwig Pietzsch Gmbh & Co, 7505 Ettlingen | Monitoring and control system for jib cranes |
DE3606590A1 (en) * | 1986-02-28 | 1987-09-03 | Oelsch Kg | Device for position (displacement) measurement in telescopic booms |
-
1991
- 1991-09-27 EP EP91916916A patent/EP0552181B1/en not_active Expired - Lifetime
- 1991-09-27 AU AU86164/91A patent/AU8616491A/en not_active Abandoned
- 1991-09-27 DE DE59102869T patent/DE59102869D1/en not_active Expired - Fee Related
- 1991-09-27 WO PCT/EP1991/001852 patent/WO1992006349A2/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
AU8616491A (en) | 1992-04-28 |
WO1992006349A3 (en) | 1992-09-03 |
EP0552181B1 (en) | 1994-09-07 |
EP0552181A1 (en) | 1993-07-28 |
WO1992006349A2 (en) | 1992-04-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |